/*
 * MIT License
 *
 * Copyright (c) 2021 mrcao20
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#pragma once

#include <functional>

class McScopedFunction 
{
public:
    McScopedFunction(const std::function<void()> &func) : m_func(func) {}

    McScopedFunction(std::function<void()> &&func) { m_func.swap(func); }

    ~McScopedFunction()
    {
        if(!m_func) {
            return;
        }
        m_func();
    }
    
    std::function<void()> take() noexcept 
    {
        auto func = m_func;
        m_func = nullptr;
        return func;
    }

    void clear() noexcept { take(); }

private:
    std::function<void()> m_func;
};
